Broaching Keyways with the Lathe

[olderdan]

Your clutch design looks sound and thanks for that, the problem I have is lack of space to fit an intermediate clutch to the gearbox I have, this an old but very powerfull mobility scooter 24v drive but it will have to have an overhung eccentric so no room for an outrigger bearing.
Your drawing started me thinking that I could maybe make an adjustable spring loaded conrod.
Anyway thanks for your help, I think I need to think about something else for a while and have a fresh start.
Regards